997241 has 8 divisors (see below), whose sum is σ = 1151040. Its totient is φ = 846288.

The previous prime is 997219. The next prime is 997247. The reversal of 997241 is 142799.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-997241 is a prime.

It is a super-2 number, since 2×997241² = 1988979224162, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 997198 and 997207.

It is not an unprimeable number, because it can be changed into a prime (997247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 1416.

It is an arithmetic number, because the mean of its divisors is an integer number (143880).

2⁹⁹⁷²⁴¹ is an apocalyptic number.

It is an amenable number.

997241 is a deficient number, since it is larger than the sum of its proper divisors (153799).

997241 is a wasteful number, since it uses less digits than its factorization.

997241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423.

The product of its digits is 4536, while the sum is 32.

The square root of 997241 is about 998.6195471750. The cubic root of 997241 is about 99.9079486248.

The spelling of 997241 in words is "nine hundred ninety-seven thousand, two hundred forty-one".